March 17th, 2012

These electrodes are ground on centerless grinder "Centrless". According to the requirements of iso and AWS-quality electrodes made of tungsten to be processed on this machine. "Annealing" – the kind of heat treatment. Crystal structure Tungsten is improving, and achieves greater uniformity of the metal, which facilitates the movement of electrons. "100% of electrodes tested vortex motion." Testing the vortex motion-monitoring of electrical properties field surrounding the electrode during the passage of current. This test detects looseness, cracks or other defects that may affect the quality of the work electrode. iso standards require the control of each series.

Unsound series withdrawn, is controlled by visual and physical means and, where necessary, be rejected. How to grind tungsten electrodes. Common mistake – grinding tungsten abrasive disc. If the grinding Tungsten is not to a centerless grinding machine, the tungsten gets the dirt that was left on the grinding wheels after previous grinding. This leads to the subsequent poor quality the formation of welds.



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